Nozzle for ejecting molten metal

Details Nozzle for ejecting molten metal Nozzle for ejecting molten metal

2005-02-15

2005-02-15

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Having interior filter or guide

C239S594000, C239S592000, C239S601000

Reexamination Certificate

active

06854671

ABSTRACT:
A nozzle ejects molten metal in an ejecting direction. The nozzle has a solder-philic surface in a first region and a solder-repellent surface in a second region. The second region is located forward of the first region in the ejecting direction. Before molten metal is ejected, the peripheral edge of the liquid surface of the molten metal is held at a position located further forward in the ejecting direction than the boundary between the solder-philic surface and the solder-repellent surface. The peripheral edge of the liquid surface is thus held before being ejected so that solder drops can be ejected steadily with a uniform diameter, constant direction, and constant speed.

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